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PostgreSQL High Performance Cookbook

You're reading from PostgreSQL High Performance Cookbook Mastering query optimization, database monitoring, and performance-tuning for PostgreSQL

Product type Paperback

Published in Mar 2017

Publisher Packt

ISBN-13 9781785284335

Length 360 pages

Edition 1st Edition

Languages

SQL

Tools

PostgreSQL

Concepts

High Performance Programming

Authors (2):

Chauhan

Dinesh Kumar

View More author details

Table of Contents (19) Chapters

PostgreSQL High Performance Cookbook

Credits

About the Authors

About the Reviewers

www.PacktPub.com

Customer Feedback

Preface

1. Database Benchmarking FREE CHAPTER

2. Server Configuration and Control

3. Device Optimization

4. Monitoring Server Performance

5. Connection Pooling and Database Partitioning

6. High Availability and Replication

7. Working with Third-Party Replication Management Utilities

8. Database Monitoring and Performance

9. Vacuum Internals

10. Data Migration from Other Databases to PostgreSQL and Upgrading the PostgreSQL Cluster

11. Query Optimization

12. Database Indexing

Restarting the database server quickly

Sometimes there are situations where you need a database bounce. This is most likely for the database parameters that require a server restart to come into effect. This is different from the reload option of the server configuration, which only reloads the configuration files without requiring a server bounce.

How to do it...

We can use the following command to restart the database server:

pg_ctl -D /var/lib/pgsql/9.6/data restart

Here, /var/lig/pgsql/9.6/data is the location of the data directory of the PostgreSQL server.

How it works...

Using the restart mode of the pg_ctl command first stops the running databases on the PostgreSQL server and then starts the server. It is in effect a two-way process, where the running server is first stopped and then started again. A database restart is needed in many situations. It could be likely that some of the server parameters require a server restart to enable the changes made to these parameters to come into effects...

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Authors (2)

Chauhan

Chauhan

Chitij Chauhan currently works as a senior database administrator at an IT-based MNC in Chandigarh. He has over 10 years of work experience in the field of database and system administration, with specialization in MySQL clustering, PostgreSQL, Greenplum, Informix DB2, SQL Server 2008, Sybase, and Oracle. He is a leading expert in the area of database security, with expertise in database security products such as IBM InfoSphere Guardium, Oracle Database Vault, and Imperva.

See other products by Chauhan

Dinesh Kumar

Dinesh Kumar

Dinesh Kumar is an enthusiastic open source developer and has written several open source tools for PostgreSQL. He recently announced pgBucket, a brand new job scheduler for PostgreSQL. He is also a frequent blogger at manojadinesh.blogpsot.com, where he talks more about PostgreSQL. He is currently working as a senior database engineer in OpenSCG and building the PostgreSQL cloud operations. He has more than 6 years of experience as an Oracle and PostgreSQL database administrator and developer, and is currently focusing on PostgreSQL.

See other products by Dinesh Kumar

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